Zip (up) your mouth(s)!(redirected from zip up somebody's mouths)
Zip (up) your mouth(s)!
slang Stop talking; shut up. A: "But Mom, I don't want to go!" B: "Zip your mouth, Charlie! You're going to math camp, and that's final!" All right, everyone, zip up your mouths! I don't want to hear another sound until the presentation is over.
See also: zip
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.